Search a number
-
+
24742107831481 is a prime number
BaseRepresentation
bin1011010000000101110001…
…00011000101110010111001
310020121022201000222002000221
411220002320203011302321
511220333314101101411
6124342211210300041
75132362332354445
oct550027043056271
9106538630862027
1024742107831481
11797a083933327
122937229a27621
1310a622b1cc301
1461774ad97825
152cd8eb993071
hex1680b88c5cb9

24742107831481 has 2 divisors, whose sum is σ = 24742107831482. Its totient is φ = 24742107831480.

The previous prime is 24742107831439. The next prime is 24742107831557. The reversal of 24742107831481 is 18413870124742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23048832846400 + 1693274985081 = 4800920^2 + 1301259^2 .

It is a cyclic number.

It is not a de Polignac number, because 24742107831481 - 229 = 24741570960569 is a prime.

It is a super-2 number, since 2×247421078314812 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24742107835481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12371053915740 + 12371053915741.

It is an arithmetic number, because the mean of its divisors is an integer number (12371053915741).

Almost surely, 224742107831481 is an apocalyptic number.

It is an amenable number.

24742107831481 is a deficient number, since it is larger than the sum of its proper divisors (1).

24742107831481 is an equidigital number, since it uses as much as digits as its factorization.

24742107831481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 24742107831481 in words is "twenty-four trillion, seven hundred forty-two billion, one hundred seven million, eight hundred thirty-one thousand, four hundred eighty-one".